[ Passive Voice ]
The theory of relativity ____ by Einstein, who was a famous physicist.
A. was developed
B. developed
C. is developed
D. develops
Select your answer:
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Modals of Probability › ViewBe careful. I can hear a mosquito. It ………………… bite you.
A. might
B. must
Grammar › View
I’m very tired. _______________ over four hundred miles today.
A. I drove
B. I’m driving
C. I had been driving
D. I’ve driven